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fix regression, issue #1028

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-05-16 08:21:32 -07:00
parent d2ac59f238
commit 7fab670719
1 changed files with 6 additions and 10 deletions
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16
src/ast/rewriter/seq_rewriter.cpp
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@ -447,16 +447,12 @@ br_status seq_rewriter::mk_seq_unit(expr* e, expr_ref& result) {
// specifically we want (_ BitVector 8)
rational n_val;
unsigned int n_size;
if (bvu.is_numeral(e, n_val, n_size)) {
if (n_size == 8) {
// convert to string constant
char ch = (char)n_val.get_int32();
TRACE("seq", tout << "rewrite seq.unit of 8-bit value " << n_val.to_string() << " to string constant \"" << ch << "\"" << std::endl;);
char s_tmp[2] = {ch, '\0'};
symbol s(s_tmp);
result = m_util.str.mk_string(s);
return BR_DONE;
}
if (bvu.is_numeral(e, n_val, n_size) && n_size == 8) {
// convert to string constant
zstring str(n_val.get_unsigned());
TRACE("seq", tout << "rewrite seq.unit of 8-bit value " << n_val.to_string() << " to string constant \"" << str<< "\"" << std::endl;);
result = m_util.str.mk_string(str);
return BR_DONE;
}
}